Add TemperatureDelta / Duration = TemperatureChangeRate (angularsen#1370

) Added missing operator to divide a TemperatureDelta by a time/duration to get the TemperatureChangeRate. --------- Co-authored-by: Andreas Gullberg Larsen <[email protected]>
Pentiva · Mar 1, 2024 · aa61d5a · aa61d5a
1 parent d389213
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diff --git a/UnitsNet.Tests/CustomCode/TemperatureDeltaTests.cs b/UnitsNet.Tests/CustomCode/TemperatureDeltaTests.cs
@@ -64,5 +64,19 @@ public void TemperatureDeltaTimesEntropyEqualsEnergy()
             Energy energy = TemperatureDelta.FromKelvins(20) * Entropy.FromJoulesPerKelvin(4);
             Assert.Equal(Energy.FromJoules(80), energy);
         }
+
+        [Fact]
+        public void TemperatureDeltaDividedByTimeSpanEqualsTemperatureChangeRate()
+        {
+            TemperatureChangeRate changeRate = TemperatureDelta.FromKelvins(20) / TimeSpan.FromSeconds(2);
+            Assert.Equal(TemperatureChangeRate.FromDegreesCelsiusPerSecond(10), changeRate);
+        }
+
+        [Fact]
+        public void TemperatureDeltaDividedByDurationEqualsTemperatureChangeRate()
+        {
+            TemperatureChangeRate changeRate = TemperatureDelta.FromKelvins(20) / Duration.FromSeconds(2);
+            Assert.Equal(TemperatureChangeRate.FromDegreesCelsiusPerSecond(10), changeRate);
+        }
     }
 }
diff --git a/UnitsNet/CustomCode/Quantities/TemperatureDelta.extra.cs b/UnitsNet/CustomCode/Quantities/TemperatureDelta.extra.cs
@@ -1,6 +1,8 @@
 // Licensed under MIT No Attribution, see LICENSE file at the root.
 // Copyright 2013 Andreas Gullberg Larsen ([email protected]). Maintained at https://github.com/angularsen/UnitsNet.
 
+using System;
+
 namespace UnitsNet
 {
     public partial struct TemperatureDelta
@@ -40,5 +42,17 @@ public partial struct TemperatureDelta
         {
             return temperatureDelta.Kelvins * cte.PerKelvin;
         }
+
+        /// <summary> Get <see cref="TemperatureChangeRate"/> from <see cref="TemperatureDelta"/> divided by <see cref="TimeSpan"/>.</summary>
+        public static TemperatureChangeRate operator /(TemperatureDelta temperatureDelta, TimeSpan timespan)
+        {
+            return TemperatureChangeRate.FromDegreesCelsiusPerSecond(temperatureDelta.Kelvins / timespan.TotalSeconds);
+        }
+
+        /// <summary> Get <see cref="TemperatureChangeRate"/> from <see cref="TemperatureDelta"/> divided by <see cref="Duration"/>.</summary>
+        public static TemperatureChangeRate operator /(TemperatureDelta temperatureDelta, Duration duration)
+        {
+            return TemperatureChangeRate.FromDegreesCelsiusPerSecond(temperatureDelta.Kelvins / duration.Seconds);
+        }
     }
 }